Product Details
Configured for discrete generator trip execution and status feedback in Synpol D generator control architectures, the ABB CMA 136 3DDE 300 416 (CMA136 Terminal Board) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CMA 136 (3DDE 300 416) |
| Brand | ABB |
| Origin | Sweden |
| Weight | 0.5 kg |
| Dimensions | 127 mm x 102 mm x 178 mm |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | 24 VDC control power (dual input terminals for redundant power) |
| Relay Channels | 16 independent SPDT relay outputs (10 A per channel, 120-240 VAC) |
| Communication Protocols | RS-232, RS-485, Modbus RTU/TCP, PROFIBUS DP |
| Processing Unit | ARM Cortex-M4 (180 MHz), 128 KB SRAM, 2 MB Flash |
| Protection Rating | IP20 |
Backplane Bus Communication Velocity and I/O Density Scaling
The CMA 136 terminal board maintains high I/O density scaling by executing discrete relay switching across 16 SPDT channels without degrading backplane bus communication velocity across system subracks. Real-time signal updates processed through the embedded ARM Cortex-M4 core ensure synchronized output switching across PROFIBUS DP and Modbus network links. Deterministic response times prevent communication lag during multi-channel protection trips.
Frequently Asked Questions
Q: What contact rating is supported on the individual relay channels of the CMA136 module?
A: Each of the 16 independent SPDT relay channels is rated to switch loads up to 10 A across a 120-240 VAC output range.
Q: How is power redundancy handled on the terminal board?
A: The board features dual 24 VDC input terminals, permitting connection to redundant control supply buses to prevent power failure shutdowns.
Q: Which field communication protocols can be interfaced directly via the onboard ports?
A: The board supports serial RS-232 and RS-485 interfaces running Modbus RTU or PROFIBUS DP, as well as Ethernet-based Modbus TCP.
Field Installation Guidelines
- De-energize all 120-240 VAC load circuits and disconnect 24 VDC control power prior to installation or wiring tasks.
- Maintain standard electrostatic discharge (ESD) precautions, including the use of a grounded wrist strap, when handling the terminal board.
- Secure the module onto a standard mounting track, ensuring full engagement of the IP20 chassis housing.
- Wire field output loads using copper conductors rated for 10 A per channel, ensuring screw terminals are torque-tightened to specification.
- Connect dual 24 VDC supply lines to the redundant input terminals and establish earth ground continuity through the mounting base.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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